Balancing Chemical Equations

Front

What is the first step in balancing chemical equations as demonstrated in the video?

Back

Drawing a line down the middle of the equation

Front

How do you balance hydrogen and chlorine in the first example?

Back

By adding a coefficient of 2 to hydrogen

Front

What is the purpose of drawing a line down the middle of the equation?

Back

To separate reactants from products

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of that element

Front

How is the balance of chlorine achieved in the first example?

Back

Automatically when hydrogen is balanced

Front

In the second example, what is the smallest number that both sides' oxygen atoms can go into? Options: 2, 4, 6, 8

Back

4

Front

What coefficient is added to iron in the second example to balance it? Options: 6, 4, 3, 2

Back

3

Front

In the second example, after balancing iron, what is done to balance oxygen?

Back

Multiplying by the smallest common number

Front

In the final example, what is the problem encountered with oxygen atoms?

Back

They cannot be balanced with a simple coefficient

Front

How many potassium atoms are there on the reactant side in the final example before balancing?

Back

1